Finding the Fourth Proportional to 112,854.84, 169,268.42 and 65,495.70
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Solution
The fourth proportional to 112,854.84, 169,268.42 and 65,495.70 is: 98,235.52
Step by Step Solution
- Step 1: Write the proportion equation
112,854.84 : 169,268.42 = 65,495.70 : x - Step 2: Convert to fraction form
112,854.84/169,268.42 = 65,495.70/x - Step 3: Cross multiply
112,854.84x = 169,268.42 × 65,495.70 - Step 4: Simplify right side
112,854.84x = 11,086,353,328.32 - Step 5: Solve for x
x = 11,086,353,328.32/112,854.84 - Step 6: Final answer
x = 98,235.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.